Ke et al.—Post-glacial Foraminifera from the incised Yangtze paleo-valley of China


Cribrononion vitreumWang and Gu, 1980 Figure 8.6, 8.7


1980 Cribrononion vitreum;Wang and Gu, pl. 16, fig. 13.


1988 Cribrononion vitreum; Wang et al., p. 169, pl. 27, figs. 14, 15.


2012 Cribrononion vitreum; Li et al., pl. 2, figs. 11, 12.


Holotype.—(TJU H1560) from Core Lp25, depth 24–35.91 m, east coast of Liaohe estuary, Panshan, Liaoning Province (Wang and Gu, 1980, pl. 16, fig. 13).


Occurrence.—Recent and Quaternary coastal sediments of Bohai Sea, East China Sea, and Yellow Sea; inner shelf and estuary in East China Sea, 10–30% salinity (Wang et al., 1988).


Remarks.—Wang et al. (1988) pointed out that there are several pores on the middle of the aperture face, which also has been observed by Li et al. (2012). The specimens illustrated here have lost the last chamber. But the aperture, a row of slits, is the same as those described by Wang et al. (1988). The pores on the aperture face in this study cannot be observed.


Genus Elphidiella Cushman, 1936a


Elphidiella kiangsuensis (Ho, Hu, and Wang, 1965) Figure 8.8–8.10


1965 Cribrononion kiangsuensis Ho, Hu, and Wang; He, Hu, and Wang, p. 114, pl. 13, fig. 13.


1978 Elphidiella kiangsuensis; Zheng et al., p. 60, pl. 9, figs. 1, 13.


2014 Elphidiella kiangsuensis; Guo et al., pl. 1, figs. 5, 6.


1988 Elphidiella kiangsuensis; Wang et al., p. 171, pl. 29, figs. 12, 13.


Holotype.—(NIGP 14685) from Binhai, Jiangsu, China (He et al., pl. 13, fig. 13).


Description.—Test planspiral, entirely involute, oval in side view, bilaterally symmetrical, sides nearly parallel in edge view; periphery rounded; chambers 8–10 in the last whorl, increasing gradually, gently inflated; umbilicus flattened; sutures curved, nearly flush with the surface, often consisting of two rows of small round pores; wall smooth, translucent, finely perforate; oval apertural face; aperture comb-like on the base of the face.


Occurrence.—Quaternary and Recent coastal sediments in Bohai Sea, Yellow Sea and East China Sea (Wang et al., 1988).


Remarks.—The pores in the sutures of specimens in this study are less distinct, the same as shown by He et al. (1965). The suture pores are more clear in the specimens (Fig. 8.10) reported by Guo et al. (2014), in which two rows of pores form a wide suture zone. Depressed slit-like sutures also were reported in the East China Sea (Wang et al., 1988).


Genus Elphidium de Montfort, 1808 Elphidium hispidulum Cushman, 1936b Figure 9.1, 9.2


1115


1936b Elphidium hispidulum Cushman, p. 83, pl. 14, figs. 13a, 13b.


1978 Elphidium hispidulum; Zheng et al., p. 55, pl. 7, fig. 9.


1988 Elphidium hispidulum; Wang et al., p. 170, pl. 29, figs. 16, 17.


Holotype.—(USNM CC 23028) from 7–26 m, Albany Passage, Australia (Cushman, 1936b, pl. 14, figs. 13a, 13b).


Occurrence.—Southern Australia and Gulf of Paria; surface sediments in Bohai Sea, Yellow Sea and East China Sea.


Remarks.—The bosses in the umbilicus are partially separated for specimens in this study. A row of low papillae in the early portion of the sutures is more distinct than those of Wang et al. (1988) and He et al. (1965).


Elphidium magellanicum Heron-Allen and Earland, 1932 Figure 9.4, 9.5


1978 Elphidiummagellanicum; Zheng et al., p. 56, pl. 8, fig. 3. 1978 Elphidiononion magellanicum; Banner and Culver, pl. 9, fig. 16.


1932 Elphidium (Polystomella) magellanicum Heron-Allen and Earland, p. 440, pl. 16, figs. 26–28.


1980b Elphidiummagellanicum;Wang etal.,p.98, pl.11,fig. 16. 1988


“Elphidium magellanicum”; Wang et al., p. 169, pl. 28, figs. 5, 11–13.


Holotype.—(BMNH HA508-90) from WS 89, depth 23 m, eastern entrance to the Straits of Magellan (Heron-Allen and Earland, pl. 16, figs. 26–28).


Occurrence.—Coastal water and Quaternary coastal sediments in Bohai Sea, Yellow Sea, and East China Sea (Wang et al., 1988).


Remarks.—Wang et al. (1988) pointed out that the specimens in the East China Sea are different from those of the Atlantic samples by a much inflated test. The specimens in this study have a less lobulate peripheral edge, close to that reported by Wang et al. (1988). The umbilicus and the base of the apetural face are filled with fine granular matter in this study, but the granular region is much narrower and smaller than those described by Heron-Allen and Earland (1932).


Genus Protelphidium Haynes, 1956


Protelphidium tuberculatum (d’Orbigny, 1846) Figure 9.6, 9.7


1846


1939 Nonion tuberculatum; Cushman, p. 13, pl. 3, figs. 12, 16, 17.


1980a Protelphidium tuberculatum; Wang and Gu, p. 60, pl. 16, fig. 7.


1988


Protelphidium tuberculatum; Wang et al., p. 171, pl. 29, figs. 14, 15.


Nonion tuberculatum d’Orbigny, p. 108, pl. 5, figs. 13, 14.


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